EP0475300A1 - Implant dentaire pour une prothèse dentaire fixe - Google Patents

Implant dentaire pour une prothèse dentaire fixe Download PDF

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Publication number
EP0475300A1
EP0475300A1 EP91115110A EP91115110A EP0475300A1 EP 0475300 A1 EP0475300 A1 EP 0475300A1 EP 91115110 A EP91115110 A EP 91115110A EP 91115110 A EP91115110 A EP 91115110A EP 0475300 A1 EP0475300 A1 EP 0475300A1
Authority
EP
European Patent Office
Prior art keywords
implant
ring
spacer
implant post
shoulder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91115110A
Other languages
German (de)
English (en)
Other versions
EP0475300B1 (fr
Inventor
Walter Dürr
Axel Dr. Kirsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Altatec Medizintechnische Elemente & Co Kg GmbH
Imz-Fertigungs- und Vertriebsgesellschaft fur Den
Original Assignee
Imz-Fertigungs- und Vertriebsgesellschaft fur Dentale Technologie Mbh
IMZ Fertigungs und Vertriebsgesellschaft fuer dentale Technologie mbH
Eberle Medizintechnische Elemente GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imz-Fertigungs- und Vertriebsgesellschaft fur Dentale Technologie Mbh, IMZ Fertigungs und Vertriebsgesellschaft fuer dentale Technologie mbH, Eberle Medizintechnische Elemente GmbH filed Critical Imz-Fertigungs- und Vertriebsgesellschaft fur Dentale Technologie Mbh
Publication of EP0475300A1 publication Critical patent/EP0475300A1/fr
Application granted granted Critical
Publication of EP0475300B1 publication Critical patent/EP0475300B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0065—Connecting devices for joining an upper structure with an implant member, e.g. spacers with expandable or compressible means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0063—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an internal sleeve
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0086—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools with shock absorbing means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2201/00—Material properties
    • A61C2201/007—Material properties using shape memory effect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0054—Connecting devices for joining an upper structure with an implant member, e.g. spacers having a cylindrical implant connecting part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0057—Connecting devices for joining an upper structure with an implant member, e.g. spacers with elastic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0059—Connecting devices for joining an upper structure with an implant member, e.g. spacers with additional friction enhancing means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/006—Connecting devices for joining an upper structure with an implant member, e.g. spacers with polygonal positional means, e.g. hexagonal or octagonal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0066—Connecting devices for joining an upper structure with an implant member, e.g. spacers with positioning means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
    • A61F2210/0019—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at only one temperature whilst inside or touching the human body, e.g. constrained in a non-operative shape during surgery, another temperature only occurring before the operation

Definitions

  • the invention relates to an endosseous implant for a fixed dental prosthesis, the fastening devices of which have a fastening head and an implant post made of metal projecting from the open distal end of the base body and which can be connected to a base body via a screw connection, optionally with the interposition of a spacer, in particular made of metal , wherein the implant post near the distal edge of the base body is surrounded in some areas concentrically by an intermediate element made of (visco-) elastic material, such as plastic, in particular polyoxymethylene.
  • Such an endosseous implant is known from DE-OS 38 39 724, in which a spacer made of metal with a shoulder corresponding to the upper edge of the base body can be screwed into the distal, open end of the base body.
  • the intermediate element made of plastic which concentrically surrounds the implant post in some areas, rests with an annular shoulder on the edge of the spacer facing the denture, the implant post being screwable into the spacer while pressing a contact surface of the denture facing the intermediate element against an abutment shoulder of the intermediate element facing away from the spacer.
  • the generic endossal implant has excellent damping properties, but does not guarantee satisfactory security against rotation of the denture relative to the base body and thus the jawbone, unless special measures such as gluing etc. are taken.
  • the known generic implant is therefore only suitable to a very limited extent for use as a single tooth implant; the unsatisfactory solution of the security against rotation can also interfere with other applications.
  • the subject of DE-OS 39 17 690 is an endosseous single tooth implant for a fixed denture, in which the spacer consists of a two-part metal spacer sleeve that can be screwed into the base body, the two parts of which can be locked together with the base body and locked , resulting in a torsion-proof connection between the base body and the spacer sleeve upper and lower part; if a correspondingly twist-proof fastening is provided, a denture can consequently be connected to one of the last-mentioned parts of the spacer sleeve so that it cannot twist.
  • the well-known endosseous single tooth implant has proven itself in principle, but it requires the use of special counter tools, which can be a hindrance in some applications.
  • the invention is therefore based on the object of developing the generic endosseous implant in such a way that simple means at least largely secure the implant post and thus the fastening head of the same relative to the base body and thus to the jawbone or body tissue.
  • the intermediate element consists of a securing ring with essentially flat, smooth end faces; that the base body and / or the interposed spacer near its distal peripheral edge has / have an annular recess provided with an abutment shoulder for the proximal end face of the locking ring for receiving essentially circumferentially flush at least close to the entire longitudinal extent of the locking ring; that the implant post and / or the spacer has an annular shoulder for abutment against the distal end face of the securing ring; and that at least a portion of the surfaces of the base body, the implant post and / or the spacer which come into press engagement when the implant post and / or the spacer is screwed into the round body or the spacer is provided with positive-locking depressions into which the material of the lock ring can be deformed under the screw-in pressure to form a positive locking device between the implant elements adjoining the securing ring.
  • At least part of the form-fit recesses is provided on the peripheral surface of the ring recess and / or the area of the implant post and / or the spacer adjacent to the ring shoulders.
  • the invention also proposes that at least some of the form-fitting recesses be provided on the contact shoulder of the ring recess and / or on the ring shoulder.
  • the contact shoulder and / or the annular shoulder has a plurality of pocket-like front recesses.
  • the invention also proposes that the contact shoulder and / or the annular shoulder has / have spur toothing.
  • the spur toothing is sawtooth-shaped in such a way that during the screwing-in process, the screwing-in process and the removal are promoted screw disadvantageous ratchet effect with respect to the adjacent end face of the retaining ring.
  • the invention can also be characterized in that the end teeth are crown-like.
  • Another embodiment of the invention proposes that the implant post can be screwed directly into the base body.
  • the implant post has a polygonal fastening head for the dentures.
  • the invention is based on the surprising finding that it is possible to create a largely non-rotatable implant in which a screwing in of the implant post e.g. a locking ring made of plastic is deformed into the base body in such a way that a form-fitting anti-rotation lock in cooperation with the form-fit recesses of e.g. Basic body with those of e.g. Implant post results.
  • a screwing in of the implant post e.g. a locking ring made of plastic is deformed into the base body in such a way that a form-fitting anti-rotation lock in cooperation with the form-fit recesses of e.g. Basic body with those of e.g. Implant post results.
  • this can be achieved by means of a spur toothing on the proximal ring shoulder of the implant post, which initially slides over the locking ring when the implant post is screwed in, before the material of the locking ring later engages in the spur toothing with deformation.
  • form-fit recesses on the contact shoulder of the ring recess of the implant post or of the spacer with the form-fit recesses, e.g. can be formed by individual pockets, which are used in certain other applications for the attachment of a tool or also for establishing a plug connection with other structural elements.
  • the retaining ring according to the invention can not only be used to achieve security against rotation between the base body and the implant post screwed directly into it, but e.g. also for implants as described in DE-OS 38 39 724, i.e. So those in which a spacer is first screwed into the base body and only into the spacer of the implant post. Possibly. the anti-rotation lock according to the invention can also be provided in a "multi-stage" manner, e.g. between the base body and the spacer or sleeve on the one hand and between the spacer or sleeve and the implant post on the other.
  • the invention is particularly suitable in connection with a torsion-proof structure for single tooth implants or the like, as is the subject of the simultaneously filed German patent application P P 40 28 856.0, to which reference is made in this regard to supplement the inventive concept.
  • the endosseous implant according to the invention in the exemplary embodiment shown there has a base body 10 which is made of titanium and is coated on its outer surface which comes into contact with the body tissue with hydroxylapatite or TPS.
  • this base body corresponds to that of the implant according to DE-OS 38 39 724, to which, for further explanation of the mode of action, e.g. the openings of the base body 10 is referenced.
  • An implant post 12 can be screwed into the base body 10 or, in the end position shown in FIG. 1, screwed into it.
  • An annular recess 14 is provided at the distal end of the base body 10 in FIGS.
  • the locking ring 18 in the embodiment shown is made of polyoxymethylene.
  • the contact shoulder 16 has four end recesses 20.
  • the implant post 12 has an annular shoulder 22 pointing downward in the drawing, which is provided with a sawtooth-like, crown-shaped toothing 24.
  • a fastening head 26 of the implant post 12 for a denture not shown in the drawing is conical in the embodiment shown, but can also e.g. have a polygonal shape around the circumference, whereby a non-rotatable placement of a dental prosthesis on the implant post 12 is possible.
  • the invention is achieved in that when the implant post 12 is screwed into the base body 10, the retaining ring 18 made of plastic is compressed more and more within the ring recess 14.
  • the front recesses 20 of the contact shoulder 16 of the ring recess 14 on the one hand and the front toothing 24 of the ring shoulder 22 of the implant post 12 on the other hand each form positive locking recesses, in which the plastic material of the locking ring 18 due to its viscoelastic properties when tightening the implant post 12 "flows" more and more, so that after reaching the end position of the implant post 12 in the base body 10 a positive locking connection between the base body 10 and the implant post 12 and thus also prevents rotation Fastening head 26 is guaranteed.

Landscapes

  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
EP91115110A 1990-09-08 1991-09-06 Implant dentaire pour une prothèse dentaire fixe Expired - Lifetime EP0475300B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4028857A DE4028857A1 (de) 1990-09-08 1990-09-08 Enossales implantat fuer einen festsitzenden zahnersatz
DE4028857 1990-09-08

Publications (2)

Publication Number Publication Date
EP0475300A1 true EP0475300A1 (fr) 1992-03-18
EP0475300B1 EP0475300B1 (fr) 1995-07-05

Family

ID=6414061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115110A Expired - Lifetime EP0475300B1 (fr) 1990-09-08 1991-09-06 Implant dentaire pour une prothèse dentaire fixe

Country Status (15)

Country Link
US (1) US5122059A (fr)
EP (1) EP0475300B1 (fr)
JP (1) JPH057600A (fr)
KR (1) KR940005299B1 (fr)
CN (1) CN1030889C (fr)
AT (1) ATE124618T1 (fr)
DE (2) DE4028857A1 (fr)
DK (1) DK0475300T3 (fr)
ES (1) ES2076432T3 (fr)
GR (1) GR3016992T3 (fr)
HU (1) HU214177B (fr)
IL (1) IL99410A (fr)
RU (1) RU2090159C1 (fr)
TW (1) TW259699B (fr)
YU (1) YU47927B (fr)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
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CN102727317B (zh) * 2012-07-17 2015-05-20 四川大学 一种口腔种植体装置
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EP2983611B1 (fr) 2013-04-09 2019-05-22 Biomet 3i, LLC Implant dentaire ayant une surface supérieure codée
WO2015094700A1 (fr) 2013-12-20 2015-06-25 Biomet 3I, Llc Système dentaire pour développer des prothèses sur mesure par balayage d'éléments codés
US10682883B2 (en) * 2014-04-07 2020-06-16 Mcgard Llc Connection joint with broach-formed integral chip retainer
US9700390B2 (en) 2014-08-22 2017-07-11 Biomet 3I, Llc Soft-tissue preservation arrangement and method
DE102014220217A1 (de) 2014-10-07 2016-04-07 R + K CAD/CAM-Technologie GmbH & Co. KG Implantatstruktur
US20170367796A1 (en) * 2014-11-06 2017-12-28 Epiphanostics GmbH Enossal Single Tooth Implant
WO2016144970A1 (fr) 2015-03-09 2016-09-15 Chu Stephen J Pontique ovoïde gingival et ses procédés d'utilisation
DE102016102009A1 (de) * 2016-02-04 2017-08-10 Holger Zipprich Abutment, insbesondere zur Verwendung mit einem in den Kieferknochen eines Patienten inserierten Dentalimplantat, und Verfahren zur Herstellung des Abutments
US20210169619A1 (en) * 2018-04-17 2021-06-10 Woodwelding Ag Attaching dental implants, dental abutments and dental superstructures to each other
CN116367792A (zh) * 2020-07-15 2023-06-30 平夏斯·克福尔 双重功能密封件

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WO1987006816A1 (fr) * 1986-05-09 1987-11-19 Ernst Leitz Wetzlar Gmbh Implant de racine dentaire presentant une excellente limite d'endurance a la fatigue pour les efforts repetes

Also Published As

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HUT58497A (en) 1992-03-30
IL99410A0 (en) 1992-08-18
ES2076432T3 (es) 1995-11-01
CN1030889C (zh) 1996-02-07
DE4028857A1 (de) 1992-03-12
KR940005299B1 (ko) 1994-06-16
ATE124618T1 (de) 1995-07-15
KR920005956A (ko) 1992-04-27
YU154991A (sh) 1994-06-24
HU912887D0 (en) 1992-01-28
JPH057600A (ja) 1993-01-19
DE4028857C2 (fr) 1992-10-29
DE59105917D1 (de) 1995-08-10
US5122059A (en) 1992-06-16
CN1062078A (zh) 1992-06-24
GR3016992T3 (en) 1995-11-30
RU2090159C1 (ru) 1997-09-20
HU214177B (hu) 1998-01-28
IL99410A (en) 1996-03-31
DK0475300T3 (da) 1995-11-13
EP0475300B1 (fr) 1995-07-05
YU47927B (sh) 1996-05-20
TW259699B (fr) 1995-10-11

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